docs: def a_noun(random=random, *args, **kwargs):
      """
      Return a noun, but with an 'a' in front of it. Or an 'an', depending!
  
      >>> mock_random.seed(0)
      >>> a_noun(random=mock_random)
      'an onion'
      >>> a_noun(random=mock_random, capitalize=True)
      'A Chimp'
      >>> a_noun(random=mock_random, slugify=True)
      'a-blister'
      """
      return inflectify.a(noun(random=random))